<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登录页面</h1>
<form action="">
    <input type="text" name="username" :value="username" placeholder="用户名"><br>
    <input type="password" name="password" :value="password" placeholder="密码"><br>
    记住用户名和密码:<input type="checkbox" name="rem"><br>
    <input type="button" value="登录" @click="login()">
</form>
<!--引入axios和vue-->
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
    let v = new Vue({
        el:"form",
        data:{
            username:"",
            password:"",
        },
        methods:{
            login:function () {
                let data = new FormData(document.querySelector("form"));
                axios.post("/login",data).then(function (response) {
                    if (response.data == 1){
                        alert("登录成功!")
                    }else {
                        alert("登录失败!")
                    }
                })
            }
        }
    })
    //取出Cookie里面的用户名和密码 显示在页面中
    //'username=tom; password=123456'
    let cookieArr = document.cookie.split(";");
    for ( let str of cookieArr){ //遍历cookie里面的所有内容
        //username=tom    password=123456
        let arr = str.split("="); //通过=分割
        let name = arr[0].trim(); //去掉两端的空格
        let value = arr[1];
        if (name == "username"){
            v.username = value;
        }
        if (name == "password"){
            v.password = value;
        }
    }
</script>
</body>
</html>